/* in6_var.h - IPv6 interface definitions */

/*
 * Copyright (c) 2001-2005 Wind River Systems, Inc.
 *
 * The right to copy, distribute, modify or otherwise make use
 * of this software may be licensed only pursuant to the terms
 * of an applicable Wind River license agreement.
 */

/*	$KAME: in6_var.h,v 1.107 2005/03/14 08:53:36 suz Exp $	*/
/*	$KAME: in6_var.h,v 1.103 2004/08/17 10:18:58 jinmei Exp $	*/
/*	$FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.3 2002/04/28 05:40:27 suz Exp $	*/
/*	$KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $	*/

/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 * Copyright (c) 1985, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)in_var.h	8.1 (Berkeley) 6/10/93
 */

/*
modification history
--------------------
01p,25jun05,dlk  Add ip6intrqJob declaration.
01o,20jun05,kch  Do not guard IN6_IFF_HOME and IN6_IFF_DEREGISTERING defines
                 with MIP6 build flag.
01n,24may05,vvv  updated for Kame merge
01m,13may05,nee  Add a IPv6 address flag IN6_IFF_SUBNETANYCAST.
01o,10may05,kch  Merged from Kame v 1.107.
01n,28apr05,kch  Moved addrsel_policyent structure definition here from
                 in6_src.c.
01m,20apr05,kch  Merged from comp_wn_ipv6_mld_interim-dev branch.
01l,16mar05,nee  Add SIOCSIFINFO_IN6
01k,07feb05,vvv  _KERNEL cleanup
01j,25jan05,vvv  fixed bitfield definitions (SPR #92171)
01i,21nov03,vvv  protected in6_prflags and in6_rrenumreq structures with INET6
01h,20nov03,niq  Remove copyright_wrs.h file inclusion
01g,05nov03,cdw  Removal of unnecessary _KERNEL guards.
01f,04nov03,rlm  Ran batch header path update for header re-org.
01e,03nov03,rlm  Removed wrn/coreip/ prefix from #includes for header re-org.
01d,12aug03,nee  Merging from label ACCORDION_BASE6_MERGE_BASELINE in
                 accordion codeline to Base6
01c,10jun03,vvv  include netVersion.h
01b,30apr03,syy  Added #ifdef for __cplusplus
01a,24jun02,ism  created new structure to hold the IPv6 MIB information
*/

#ifndef _NETINET6_IN6_VAR_H_
#define _NETINET6_IN6_VAR_H_

#ifdef __cplusplus
extern "C" {
#endif

#include <netVersion.h>

#ifdef _WRS_KERNEL
#include <net/if_var.h>    /* needed for struct ifaddr */
#else
#include <net/if.h>        /* needed for IFNAMSIZ */
#endif

/*
 * Interface address, Internet version.  One of these structures
 * is allocated for each interface with an Internet address.
 * The ifaddr structure contains the protocol-independent part
 * of the structure and is assumed to be first.
 */

/*
 * pltime/vltime are just for future reference (required to implements 2
 * hour rule for hosts).  they should never be modified by nd6_timeout or
 * anywhere else.
 *	userland -> kernel: accept pltime/vltime
 *	kernel -> userland: throw up everything
 *	in kernel: modify preferred/expire only
 */
struct in6_addrlifetime {
	time_t ia6t_expire;	/* valid lifetime expiration time */
	time_t ia6t_preferred;	/* preferred lifetime expiration time */
	u_int32_t ia6t_vltime;	/* valid lifetime */
	u_int32_t ia6t_pltime;	/* prefix lifetime */
};

struct nd_ifinfo;
struct scope6_id;
struct in6_ifextra {
	struct in6_ifstat *in6_ifstat;
	struct icmp6_ifstat *icmp6_ifstat;
	struct nd_ifinfo *nd_ifinfo;
	struct scope6_id *scope6_id;
};

#ifdef MIP6
LIST_HEAD(mip6_bul_list, mip6_bul_internal); /* XXX */
#endif /* MIPS6 */

#ifdef _WRS_KERNEL
struct	in6_ifaddr {
	struct	ifaddr ia_ifa;		/* protocol-independent info */
#define	ia_ifp		ia_ifa.ifa_ifp
#define ia_flags	ia_ifa.ifa_flags
	struct	sockaddr_in6 ia_addr;	/* interface address */
	struct	sockaddr_in6 ia_net;	/* network number of interface */
	struct	sockaddr_in6 ia_dstaddr; /* space for destination addr */
	struct	sockaddr_in6 ia_prefixmask; /* prefix mask */
	u_int32_t ia_plen;		/* prefix length */
	struct	in6_ifaddr *ia_next;	/* next in6 list of IP6 addresses */
	int	ia6_flags;

	struct in6_addrlifetime ia6_lifetime;
	time_t	ia6_createtime; /* the creation time of this address, which is
				 * currently used for temporary addresses only.
				 */
	time_t	ia6_updatetime;

	/* back pointer to the ND prefix (for autoconfigured addresses only) */
	struct nd_prefix *ia6_ndpr;

	/* multicast addresses joined from the kernel */
	LIST_HEAD(, in6_multi_mship) ia6_memberships;

#ifdef MIP6
	/* binding update entreis for this address */
	struct mip6_bul_list ia6_mbul_list;
#endif /* MIP6 */	
};
#endif

/* control structure to manage address selection policy */
struct in6_addrpolicy {
	struct sockaddr_in6 addr; /* prefix address */
	struct sockaddr_in6 addrmask; /* prefix mask */
	int preced;		/* precedence */
	int label;		/* matching label */
	u_quad_t use;		/* statistics */
};

/*
 * The followings are implementation of the policy table using a
 * simple tail queue.
 * XXX such details should be hidden.
 * XXX implementation using binary tree should be more efficient.
 * This structure definition is moved from in6_src.c for 
 * virtualization needs.
 */
TAILQ_HEAD(addrsel_policyhead, addrsel_policyent); 
struct addrsel_policyent {
	TAILQ_ENTRY(addrsel_policyent) ape_entry;
	struct in6_addrpolicy ape_policy;
};

/*
 * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
 */
struct in6_ifstat {
	u_quad_t ifs6_in_receive;	/* # of total input datagram */
	u_quad_t ifs6_in_hdrerr;	/* # of datagrams with invalid hdr */
	u_quad_t ifs6_in_toobig;	/* # of datagrams exceeded MTU */
	u_quad_t ifs6_in_noroute;	/* # of datagrams with no route */
	u_quad_t ifs6_in_addrerr;	/* # of datagrams with invalid dst */
	u_quad_t ifs6_in_protounknown;	/* # of datagrams with unknown proto */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_in_truncated;	/* # of truncated datagrams */
	u_quad_t ifs6_in_discard;	/* # of discarded datagrams */
					/* NOTE: fragment timeout is not here */
	u_quad_t ifs6_in_deliver;	/* # of datagrams delivered to ULP */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_out_forward;	/* # of datagrams forwarded */
					/* NOTE: increment on outgoing if */
	u_quad_t ifs6_out_request;	/* # of outgoing datagrams from ULP */
					/* NOTE: does not include forwrads */
	u_quad_t ifs6_out_discard;	/* # of discarded datagrams */
	u_quad_t ifs6_out_fragok;	/* # of datagrams fragmented */
	u_quad_t ifs6_out_fragfail;	/* # of datagrams failed on fragment */
	u_quad_t ifs6_out_fragcreat;	/* # of fragment datagrams */
					/* NOTE: this is # after fragment */
	u_quad_t ifs6_reass_reqd;	/* # of incoming fragmented packets */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_reass_ok;		/* # of reassembled packets */
					/* NOTE: this is # after reass */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_reass_fail;	/* # of reass failures */
					/* NOTE: may not be packet count */
					/* NOTE: increment on final dst if */
	u_quad_t ifs6_in_mcast;		/* # of inbound multicast datagrams */
	u_quad_t ifs6_out_mcast;	/* # of outbound multicast datagrams */
};

/*
* IPv6 Interface table, as defined in RFC 2465 Ipv6IfEntry
*/
#define DISPLAY_STR_SIZE     256
#define MAX_OID_SIZE          40
#define IF_IDENT_SIZE          8
#define MAX_PHY_ADDR_SIZE     16

struct in6_ifinfo {
        int                  ipv6IfIndex;
        char                 ipv6IfDescr[DISPLAY_STR_SIZE];
        unsigned char        ipv6IfLowerLayer[MAX_OID_SIZE] ;
        int                  ipv6IfLowerLayerLength;
        u_int32_t            ipv6IfEffectiveMtu ;
        u_int32_t            ipv6IfReasmMaxSize ;
        char                 ipv6IfIdentifier[IF_IDENT_SIZE];
        int                  ipv6IfIdentifierLength ;
        unsigned char        ipv6IfPhysicalAddress[MAX_PHY_ADDR_SIZE] ;
        int                  ipv6IfPhysicalAddressLen;
        int                  ipv6IfAdminStatus ;
        int                  ipv6IfOperStatus ;
        u_int                ipv6IfLastChange ;
};

/* Note that the in6_ifdata data structure is used by m2Ipv6IfTblEntryGet() 
 * and m2Ipv6IfTblEntrySet() only and may be obsolete in the future. The 
 * global _in6_ifdata is defunct.
 *
 * Revisit: RFC2465 defines ipv6IfEntry and ipv6IfStatsEntry as two separate 
 * tables. One the other hand, the m2Ipv6IfTblEntryGet() and 
 * m2Ipv6IfTblEntrySet() routine are used to manage both tables. From SNMP 
 * operation point of view, the Stub routine always make two separate calls 
 * if, for example, it needs to retrieve information for a given entry in both 
 * the ipv6IfEntry and ipv6IfStatsEntry. The m2Ipv6IfTblEntryGet(), however, 
 * always returns informtion for both the ipv6IfEntry and ipv6IfStatsEntry. 
 * So we should re-examine the API and perhaps consider implementing two sets 
 * of GET/SET APIs - one for ipv6IfEntry and the other for ipv6IfStatsEntry.
 */
struct in6_ifdata {
        struct in6_ifinfo ifInfo;
        struct in6_ifstat ifStat;
};

/*
 * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
 * XXX: I'm not sure if this file is the right place for this structure...
 */
struct icmp6_ifstat {
	/*
	 * Input statistics
	 */
	/* ipv6IfIcmpInMsgs, total # of input messages */
	u_quad_t ifs6_in_msg;
	/* ipv6IfIcmpInErrors, # of input error messages */
	u_quad_t ifs6_in_error;
	/* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
	u_quad_t ifs6_in_dstunreach;
	/* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
	u_quad_t ifs6_in_adminprohib;
	/* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
	u_quad_t ifs6_in_timeexceed;
	/* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
	u_quad_t ifs6_in_paramprob;
	/* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
	u_quad_t ifs6_in_pkttoobig;
	/* ipv6IfIcmpInEchos, # of input echo requests */
	u_quad_t ifs6_in_echo;
	/* ipv6IfIcmpInEchoReplies, # of input echo replies */
	u_quad_t ifs6_in_echoreply;
	/* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
	u_quad_t ifs6_in_routersolicit;
	/* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
	u_quad_t ifs6_in_routeradvert;
	/* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
	u_quad_t ifs6_in_neighborsolicit;
	/* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
	u_quad_t ifs6_in_neighboradvert;
	/* ipv6IfIcmpInRedirects, # of input redirects */
	u_quad_t ifs6_in_redirect;
	/* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
	u_quad_t ifs6_in_mldquery;
	/* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
	u_quad_t ifs6_in_mldreport;
	/* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
	u_quad_t ifs6_in_mlddone;

	/*
	 * Output statistics. We should solve unresolved routing problem...
	 */
	/* ipv6IfIcmpOutMsgs, total # of output messages */
	u_quad_t ifs6_out_msg;
	/* ipv6IfIcmpOutErrors, # of output error messages */
	u_quad_t ifs6_out_error;
	/* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
	u_quad_t ifs6_out_dstunreach;
	/* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
	u_quad_t ifs6_out_adminprohib;
	/* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
	u_quad_t ifs6_out_timeexceed;
	/* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
	u_quad_t ifs6_out_paramprob;
	/* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
	u_quad_t ifs6_out_pkttoobig;
	/* ipv6IfIcmpOutEchos, # of output echo requests */
	u_quad_t ifs6_out_echo;
	/* ipv6IfIcmpOutEchoReplies, # of output echo replies */
	u_quad_t ifs6_out_echoreply;
	/* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
	u_quad_t ifs6_out_routersolicit;
	/* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
	u_quad_t ifs6_out_routeradvert;
	/* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
	u_quad_t ifs6_out_neighborsolicit;
	/* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
	u_quad_t ifs6_out_neighboradvert;
	/* ipv6IfIcmpOutRedirects, # of output redirects */
	u_quad_t ifs6_out_redirect;
	/* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
	u_quad_t ifs6_out_mldquery;
	/* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
	u_quad_t ifs6_out_mldreport;
	/* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
	u_quad_t ifs6_out_mlddone;
};

struct	in6_ifreq {
	char	ifr_name[IFNAMSIZ];
	union {
		struct	sockaddr_in6 ifru_addr;
		struct	sockaddr_in6 ifru_dstaddr;
		short	ifru_flags;
		int	ifru_flags6;
		int	ifru_metric;
		caddr_t	ifru_data;
		struct in6_addrlifetime ifru_lifetime;
		struct in6_ifstat ifru_stat;
		struct icmp6_ifstat ifru_icmp6stat;
		u_int32_t ifru_scope_id[16];
	} ifr_ifru;
};

struct	in6_aliasreq {
	char	ifra_name[IFNAMSIZ];
	struct	sockaddr_in6 ifra_addr;
	struct	sockaddr_in6 ifra_dstaddr;
	struct	sockaddr_in6 ifra_prefixmask;
	int	ifra_flags;
	struct in6_addrlifetime ifra_lifetime;
};

#ifdef _WRS_KERNEL
/* prefix type macro */
#define IN6_PREFIX_ND	1
#define IN6_PREFIX_RR	2

#ifdef INET6
/*
 * prefix related flags passed between kernel(NDP related part) and
 * user land command(ifconfig) and daemon(rtadvd).
 * Note: We originally intended to use prf_ra{} only within in6_prflags{}, but
 * it was (probably unintentionally) used in nd6.h as well.  Since C++ does
 * not allow such a reference, prf_ra{} was then moved outside.  In general,
 * however, this structure should not be used directly.
 * 
 * NOTE: All the bitfield definitions should be u_int, not u_char to make it 
 * ANSI compliant. Future versions of the Diab compiler will flag this as an 
 * error so it should be fixed. Therefore, the following prf_ra struct from
 * Kame will not be used.
 */
#if 0
struct prf_ra {
	u_char onlink : 1;
	u_char autonomous : 1;
	u_char router : 1;
	u_char reserved : 5;
};
#endif

struct in6_prflags {
	u_char prf_ra;
#define PRF_RA_ONLINK     1
#define PRF_RA_AUTONOMOUS 2    
	u_char prf_reserved1;
	u_short prf_reserved2;

	/* want to put this on 4byte offset */

	u_char prf_rr;
#define PRF_RR_DECRVALID 1
#define PRF_RR_DECRPREFD 2
	u_char prf_reserved3;
	u_short prf_reserved4;
};

struct  in6_prefixreq {
	char	ipr_name[IFNAMSIZ];
	u_char	ipr_origin;
	u_char	ipr_plen;
	u_int32_t ipr_vltime;
	u_int32_t ipr_pltime;
	struct in6_prflags ipr_flags;
	struct	sockaddr_in6 ipr_prefix;
};
#endif /* INET6 */

#define PR_ORIG_RA	0
#define PR_ORIG_RR	1
#define PR_ORIG_STATIC	2
#define PR_ORIG_KERNEL	3

#define ipr_raf			ipr_flags.prf_ra

#define ipr_statef_onlink	ipr_flags.prf_state.onlink

#define ipr_rrf			ipr_flags.prf_rr

#ifdef INET6
struct	in6_rrenumreq {
	char	irr_name[IFNAMSIZ];
	u_char	irr_origin;
	u_char	irr_m_len;	/* match len for matchprefix */
	u_char	irr_m_minlen;	/* minlen for matching prefix */
	u_char	irr_m_maxlen;	/* maxlen for matching prefix */
	u_char	irr_u_uselen;	/* uselen for adding prefix */
	u_char	irr_u_keeplen;	/* keeplen from matching prefix */
	u_char  irr_raflagmask;
#define IRR_RAFLAGMASK_ONLINK     PRF_RA_ONLINK
#define IRR_RAFLAGMASK_AUTONOMOUS PRF_RA_AUTONOMOUS

	u_int32_t irr_vltime;
	u_int32_t irr_pltime;
	struct in6_prflags irr_flags;
	struct	sockaddr_in6 irr_matchprefix;
	struct	sockaddr_in6 irr_useprefix;
};
#endif /* INET6 */

#define irr_raf_mask		irr_raflagmask

#define irr_raf			irr_flags.prf_ra

#define irr_statef_onlink	irr_flags.prf_state.onlink

#define irr_rrf			irr_flags.prf_rr

/*
 * Given a pointer to an in6_ifaddr (ifaddr),
 * return a pointer to the addr as a sockaddr_in6
 */
#define IA6_IN6(ia)	(&((ia)->ia_addr.sin6_addr))
#define IA6_DSTIN6(ia)	(&((ia)->ia_dstaddr.sin6_addr))
#define IA6_MASKIN6(ia)	(&((ia)->ia_prefixmask.sin6_addr))
#define IA6_SIN6(ia)	(&((ia)->ia_addr))
#define IA6_DSTSIN6(ia)	(&((ia)->ia_dstaddr))
#define IFA_IN6(x)	(&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
#define IFA_DSTIN6(x)	(&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)

#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m)	(	\
	(((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
	(((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
	(((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
	(((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
#endif /* _WRS_KERNEL */

#define SIOCSIFADDR_IN6		 _IOW('i', 12, struct in6_ifreq)
#define SIOCGIFADDR_IN6		_IOWR('i', 33, struct in6_ifreq)

#ifdef _WRS_KERNEL
/*
 * SIOCSxxx ioctls should be unused (see comments in in6.c), but
 * we do not shift numbers for binary compatibility.
 */
#define SIOCSIFDSTADDR_IN6	 _IOW('i', 14, struct in6_ifreq)
#define SIOCSIFNETMASK_IN6	 _IOW('i', 22, struct in6_ifreq)
#endif

#define SIOCGIFDSTADDR_IN6	_IOWR('i', 34, struct in6_ifreq)
#define SIOCGIFNETMASK_IN6	_IOWR('i', 37, struct in6_ifreq)

#define SIOCDIFADDR_IN6		 _IOW('i', 25, struct in6_ifreq)
#define SIOCAIFADDR_IN6		 _IOW('i', 26, struct in6_aliasreq)

#define SIOCSIFPHYADDR_IN6       _IOW('i', 70, struct in6_aliasreq)
#define	SIOCGIFPSRCADDR_IN6	_IOWR('i', 71, struct in6_ifreq)
#define	SIOCGIFPDSTADDR_IN6	_IOWR('i', 72, struct in6_ifreq)
#define SIOCSIFPHYNEXTHOP_IN6    _IOW('i', 140, struct in6_ifreq) /* set gif addres */
#define	SIOCGIFPHYNEXTHOP_IN6	_IOWR('i', 141, struct in6_ifreq) /* get gif nexthop addres */


#define SIOCGIFAFLAG_IN6	_IOWR('i', 73, struct in6_ifreq)

#define SIOCGDRLST_IN6		_IOWR('i', 74, struct in6_drlist)
#define SIOCGPRLST_IN6		_IOWR('i', 75, struct in6_oprlist)

#ifdef _WRS_KERNEL
#define OSIOCGIFINFO_IN6	_IOWR('i', 76, struct in6_ondireq)
#endif
#define SIOCGIFINFO_IN6		_IOWR('i', 108, struct in6_ndireq)
#define SIOCSIFINFO_IN6		_IOWR('i', 109, struct in6_ndireq)
#define SIOCSNDFLUSH_IN6	_IOWR('i', 77, struct in6_ifreq)
#define SIOCGNBRINFO_IN6	_IOWR('i', 78, struct in6_nbrinfo)
#define SIOCSPFXFLUSH_IN6	_IOWR('i', 79, struct in6_ifreq)
#define SIOCSRTRFLUSH_IN6	_IOWR('i', 80, struct in6_ifreq)

#define SIOCGIFALIFETIME_IN6	_IOWR('i', 81, struct in6_ifreq)
#define SIOCSIFALIFETIME_IN6	_IOWR('i', 82, struct in6_ifreq)
#define SIOCGIFSTAT_IN6		_IOWR('i', 83, struct in6_ifreq)
#define SIOCGIFSTAT_ICMP6	_IOWR('i', 84, struct in6_ifreq)

#define SIOCSDEFIFACE_IN6	_IOWR('i', 85, struct in6_ndifreq)
#define SIOCGDEFIFACE_IN6	_IOWR('i', 86, struct in6_ndifreq)

#define SIOCSIFINFO_FLAGS	_IOWR('i', 87, struct in6_ndireq) /* XXX */

#define SIOCSSCOPE6		_IOW('i', 88, struct in6_ifreq)
#define SIOCGSCOPE6		_IOWR('i', 89, struct in6_ifreq)
#define SIOCGSCOPE6DEF		_IOWR('i', 90, struct in6_ifreq)

#define SIOCSIFPREFIX_IN6	_IOW('i', 100, struct in6_prefixreq) /* set */
#define SIOCGIFPREFIX_IN6	_IOWR('i', 101, struct in6_prefixreq) /* get */
#define SIOCDIFPREFIX_IN6	_IOW('i', 102, struct in6_prefixreq) /* del */
#define SIOCAIFPREFIX_IN6	_IOW('i', 103, struct in6_rrenumreq) /* add */
#define SIOCCIFPREFIX_IN6	_IOW('i', 104, \
				     struct in6_rrenumreq) /* change */
#define SIOCSGIFPREFIX_IN6	_IOW('i', 105, \
				     struct in6_rrenumreq) /* set global */

#define SIOCGETSGCNT_IN6	_IOWR('u', 106, \
				      struct sioc_sg_req6) /* get s,g pkt cnt */
#define SIOCGETMIFCNT_IN6	_IOWR('u', 107, \
				      struct sioc_mif_req6) /* get pkt cnt per if */

#define SIOCAADDRCTL_POLICY	_IOW('u', 108, struct in6_addrpolicy)
#define SIOCDADDRCTL_POLICY	_IOW('u', 109, struct in6_addrpolicy)

#define IN6_IFF_ANYCAST		0x01	/* anycast address */
#define IN6_IFF_TENTATIVE	0x02	/* tentative address */
#define IN6_IFF_DUPLICATED	0x04	/* DAD detected duplicate */
#define IN6_IFF_DETACHED	0x08	/* may be detached from the link */
#define IN6_IFF_DEPRECATED	0x10	/* deprecated address */
#define IN6_IFF_NODAD		0x20	/* don't perform DAD on this address
					 * (used only at first SIOC* call)
					 */
#define IN6_IFF_AUTOCONF	0x40	/* autoconfigurable address. */
#define IN6_IFF_TEMPORARY	0x80	/* temporary (anonymous) address. */

#define IN6_IFF_HOME		0x100	/* MIP6:home address */
#define IN6_IFF_DEREGISTERING	0x200	/* MIP6:deregistering address */

#define IN6_IFF_SUBNETANYCAST   0x4000  /* subnet anycast address */

/* do not input/output */
#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)

/* flags which cannot be changed by hand */
#ifndef MIP6
#define IN6_IFF_READONLY (IN6_IFF_DUPLICATED|IN6_IFF_DETACHED|\
    IN6_IFF_NODAD|IN6_IFF_TEMPORARY)
#else
/* Mobile IPv6 userland program requires to assign an address with NODAD. */
#define IN6_IFF_READONLY (IN6_IFF_DUPLICATED|IN6_IFF_DETACHED|\
    IN6_IFF_TEMPORARY)
#endif /* !MIP6 */

#ifdef _WRS_KERNEL
#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))

#ifndef VIRTUAL_STACK
extern struct in6_ifaddr *_in6_ifaddr;
extern struct icmp6stat _icmp6stat;
#endif /*VIRTUAL_STACK*/
#define in6_ifstat_inc(ifp, tag) \
do {								\
	if (ifp)						\
		((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \
} while (0)

extern struct ifqueue ip6intrq;		/* IP6 packet input queue (loopback) */
extern INTRQ_QJOB ip6intrqJob;
extern struct in6_addr zeroin6_addr;
extern u_char inet6ctlerrmap[];
extern unsigned long in6_maxmtu;

/*
 * Macro for finding the internet address structure (in6_ifaddr) corresponding
 * to a given interface (ifnet structure).
 */
#define IFP_TO_IA6(ifp, ia)				\
/* struct ifnet *ifp; */				\
/* struct in6_ifaddr *ia; */				\
do {									\
	struct ifaddr *ifa;						\
	for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) {	\
		if (!ifa->ifa_addr)					\
			continue;					\
		if (ifa->ifa_addr->sa_family == AF_INET6)		\
			break;						\
	}								\
	(ia) = (struct in6_ifaddr *)ifa;				\
} while (0)


/*
 * Multi-cast membership entry.  One for each group/ifp that a PCB
 * belongs to.
 */
struct in6_multi_mship {
	struct	in6_multi *i6mm_maddr;	/* Multicast address pointer */
	struct	sock_msf *i6mm_msf;	/* Multicast source filters */
	LIST_ENTRY(in6_multi_mship) i6mm_chain;  /* multicast options chain */
};

/*
 * Per-interface router version information; referred to when MLDv1/v2 coexists.
 */

struct router6_info {
        struct  ifnet *rt6i_ifp;
	int    rt6i_type; /* type of router which is querier on this interface */
	u_int	rt6i_timer1;	/* MLDv1 Querier Present timer */
	u_int	rt6i_timer2;	/* MLDv2 Querier Present timer */
	u_int	rt6i_qrv;	/* Querier Robustness Variable */
	u_int	rt6i_qqi;	/* Querier Interval Variable */
	u_int	rt6i_qri;	/* Querier Response Interval */
	struct router6_info *rt6i_next;
};

struct callout;
struct	in6_multi {
	LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
	struct	in6_addr in6m_addr;	/* IP6 multicast address */
	struct	ifnet *in6m_ifp;	/* back pointer to ifnet */
	struct	ifmultiaddr *in6m_ifma;	/* back pointer to ifmultiaddr */
	u_int	in6m_refcount;		/* # membership claims by sockets */
	u_int	in6m_state;		/* state of the membership */
	struct	router6_info *in6m_rti;	/* router info */
	struct	in6_multi_source *in6m_source;	/* filtered source list */

#ifdef MLDv2
	u_int	in6m_timer;		/* MLD6 listener report timer */
#else
	int	in6m_timer;		/* delay to send the 1st report */
	struct timeval in6m_timer_expire; /* when the timer expires */
	struct callout *in6m_timer_ch;
#endif
};

#define IN6M_TIMER_UNDEF -1

/* flags to in6_update_ifa */
#define IN6_IFAUPDATE_DADDELAY	0x1 /* first time to configure an address */

extern LIST_HEAD(in6_multihead, in6_multi) _in6_multihead;

/*
 * Structure used by macros below to remember position when stepping through
 * all of the in6_multi records.
 */
struct	in6_multistep {
	struct	in6_ifaddr *i_ia;
	struct	in6_multi *i_in6m;
};

/*
 * Macros for looking up the in6_multi record for a given IP6 multicast
 * address on a given interface. If no matching record is found, "in6m"
 * returns NULL.
 */

#define IN6_LOOKUP_MULTI(addr, ifp, in6m)			\
/* struct in6_addr addr; */					\
/* struct ifnet *ifp; */					\
/* struct in6_multi *in6m; */					\
do { \
	struct ifmultiaddr *ifma; \
	for (ifma = (ifp)->if_multiaddrs.lh_first; ifma; \
	     ifma = ifma->ifma_link.le_next) { \
		if (ifma->ifma_addr->sa_family == AF_INET6 \
		    && IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
					  &(addr))) \
			break; \
	} \
	(in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
} while(0)

/*
 * Macro to step through all of the in6_multi records, one at a time.
 * The current position is remembered in "step", which the caller must
 * provide.  IN6_FIRST_MULTI(), below, must be called to initialize "step"
 * and get the first record.  Both macros return a NULL "in6m" when there
 * are no remaining records.
 */
#define IN6_NEXT_MULTI(step, in6m)					\
/* struct in6_multistep step; */					\
/* struct in6_multi *in6m; */						\
do { \
	if (((in6m) = (step).i_in6m) != NULL) \
		(step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
} while(0)

#define IN6_FIRST_MULTI(step, in6m)		\
/* struct in6_multistep step; */		\
/* struct in6_multi *in6m */			\
do { \
	(step).i_in6m = _in6_multihead.lh_first; \
		IN6_NEXT_MULTI((step), (in6m)); \
} while(0)

/*
 * Macros for looking up the in6_multi_mship record for a given IP6 multicast
 * address on a given interface. If no matching record is found, "imm"
 * returns NULL.
 */
#define IN6_LOOKUP_MSHIP(addr, ifp, imop, imm)				\
/* struct in6_addr addr; */						\
/* struct ifnet *ifp; */						\
/* struct ip6_moptions *imop */						\
/* struct in6_multi_mship *imm; */					\
do {									\
	for ((imm) = (imop)->im6o_memberships.lh_first;			\
    (imm) != NULL; (imm) = (imm)->i6mm_chain.le_next) {	\
   if ((imm)->i6mm_maddr->in6m_ifp != (ifp))		\
           continue;					\
   if (!IN6_ARE_ADDR_EQUAL(&(imm)->i6mm_maddr->in6m_addr,	\
       &(addr)))						\
       continue;					\
   break;							\
    }								\
} while (/*CONSTCOND*/ 0)


    






struct	in6_multi *in6_addmulti __P((struct in6_addr *,
	struct ifnet *, int *, int));
void	in6_delmulti __P((struct in6_multi *));
struct in6_multi_mship *in6_joingroup __P((struct ifnet *,
	struct in6_addr *, int *, int));
int	in6_leavegroup __P((struct in6_multi_mship *));
#ifdef MLDV2
struct	in6_multi *in6_addmulti2(struct in6_addr *, struct ifnet *,
	int *, u_int16_t, struct sockaddr_storage *, u_int, int);
void	in6_delmulti2(struct in6_multi *, int *, u_int16_t,
	struct sockaddr_storage *, u_int, int);
struct	in6_multi *in6_modmulti2(struct in6_addr *, struct ifnet *,
	int *, u_int16_t, struct sockaddr_storage *, u_int, u_int16_t,
	struct sockaddr_storage *, u_int, int, u_int);
#endif

int in6_mask2len __P((struct in6_addr *, u_char *));
extern void in6_len2mask __P((struct in6_addr *, int));
int	in6_control __P((struct socket *,
			 u_long, caddr_t, struct ifnet *, struct proc *));
int	in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *,
	struct in6_ifaddr *, int));
void	in6_purgeaddr __P((struct ifaddr *));
int	in6if_do_dad __P((struct ifnet *));
void	in6_purgeif __P((struct ifnet *));
void	in6_savemkludge __P((struct in6_ifaddr *));
void	in6_setmaxmtu   __P((void));
int	in6_if2idlen   __P((struct ifnet *));
void	in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
void	in6_createmkludge __P((struct ifnet *));
void	in6_purgemkludge __P((struct ifnet *));
struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *));
char	*ip6_sprintf __P((const struct in6_addr *));
int	in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *));
int	in6_matchlen __P((struct in6_addr *, struct in6_addr *));
int	in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int));
void	in6_prefixlen2mask __P((struct in6_addr *, int));
void	in6_purgeprefix __P((struct ifnet *));

int in6_embedscope __P((struct in6_addr *, const struct sockaddr_in6 *));
int in6_recoverscope __P((struct sockaddr_in6 *, const struct in6_addr *,
	struct ifnet *));
void in6_clearscope __P((struct in6_addr *));
int in6_src_ioctl __P((u_long, caddr_t));

void	*in6_ifafdata_init(struct ifnet *);
void	in6_ifafdata_delete(struct ifnet *);

#endif /* _WRS_KERNEL */

#ifdef __cplusplus
}
#endif

#endif /* _NETINET6_IN6_VAR_H_ */
